Checklists for software errors, setup, and tool workflows.

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

How to Reset Windows Defender Settings Without Losing Data

If Windows Defender is misbehaving—showing false positives, failing to update, or blocking legiti...

Command Prompt Stuck Loading Forever? Here's How to Fix It

You open Command Prompt to run a quick command, but the window just sits there with a blinking cu...

Fix Windows Update Stuck on 'Checking for Updates' Due to DNS

If Windows Update gets stuck on 'Checking for updates' for minutes or hours, DNS issues are a com...

Fix Windows Defender Proxy Error Not Working

You launch Windows Defender Security Center or try to run a scan, and you see a proxy error—somet...

How to Fix Remote Desktop Error Code 0x104

When you see Remote Desktop error code 0x104, the connection fails just after entering credential...